Hiroshima University Researchers Identify Conserved Dolichol Biosynthesis Detour Pathway in Yeast

Researchers at Hiroshima University have identified a conserved three-step detour pathway for dolichol biosynthesis in budding yeast, *Saccharomyces cerevisiae*. The study, published in the *Proceedings of the National Academy of Sciences*, demonstrates that this biochemical process exists beyond human cells, indicating that the mechanism is shared across eukaryotic organisms.

The findings clarify the specific steps involved in the production of dolichol, a lipid essential for protein glycosylation and cellular function. By mapping this pathway in yeast, the research team provides evidence that the cellular machinery responsible for synthesizing these molecules remains consistent across different species. This discovery updates previous biochemical models by confirming that the detour pathway functions as a fundamental component of eukaryotic metabolism rather than a process unique to human biology.

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Date: June 8, 2026

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